Is it possible to improve the analysis of an archaeological dig without being the one digging?

Does archaeological research only consist in digging? Asking this is to risk getting involved in a sensitive subject which always divides the archaeological scientific community, between the old school ones and the ones from mediation theory. On February 22, 2014, Prof. Margueron reopened the debate that led to the article of Dr. Gransard-Desmond: "Is it possible to improve the analysis of an archaeological dig without being the one digging?".